Finding the Fourth Proportional to 93,752,416.32, 129,378,315.84 and 51,939,198.72
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Solution
The fourth proportional to 93,752,416.32, 129,378,315.84 and 51,939,198.72 is: 71,676,083.88
Step by Step Solution
- Step 1: Write the proportion equation
93,752,416.32 : 129,378,315.84 = 51,939,198.72 : x - Step 2: Convert to fraction form
93,752,416.32/129,378,315.84 = 51,939,198.72/x - Step 3: Cross multiply
93,752,416.32x = 129,378,315.84 × 51,939,198.72 - Step 4: Simplify right side
93,752,416.32x = 6,719,806,056,472,684 - Step 5: Solve for x
x = 6,719,806,056,472,684/93,752,416.32 - Step 6: Final answer
x = 71,676,083.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.